Seems unrelated to their infrastructure, the DNS records for facebook.com, instagram.com, whatsapp.com and all derivative domains are wiped clean it seems
edit: though saying that, they do run their own registrar... Might've fucked something up over there.
Media is also allowed to pull "top" lists like the 100 people with the most income in a city, 100 people with the most wealth in a city, etc.
[1] https://sjekkskatt.no/